<p>Tickets go on sale at 10 a.m. Friday for the July 18 concert featuring Peter Frampton and the Doobie Brothers at the Tuscaloosa Amphitheater.</p><p>Prices are $77.50, $62, $42 and $22.50. Tickets will be available at the amphitheater box office, 2710 Jack Warner Parkway NE, www.</p><p>ticketmaster.com or by phone at 800-745-3000. The concert will begin at 8 p.m. July 18.</p><p>Other shows coming to the amphitheater include:</p><p>n April 11: Brantley Gilbert with Thomas Rhett and Eric Paslay.</p><p>n April 24: MercyMe with Jamie Grace and Citizen Way.</p><p>n May 29: Styx, Foreigner and Don Felder.</p><p>n June 13: Fantasia and Joe.</p>